Finding the Fourth Proportional to 1,514.10, 2,272.37 and 856.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,514.10 : 2,272.37 = 856.38 : x
2. Step 2: Convert to fraction form
   1,514.10/2,272.37 = 856.38/x
3. Step 3: Cross multiply
   1,514.10x = 2,272.37 × 856.38
4. Step 4: Simplify right side
   1,514.10x = 1,946,012.22
5. Step 5: Solve for x
   x = 1,946,012.22/1,514.10
6. Step 6: Final answer
   x = 1,285.26